21000688258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{823621}}^1$

素因数の和:823714

約数の個数: 32

約数和(自身を含む): 36766486080

約数和(自身を除く): 15765797822

約数列:

[1, 2, 11, 19, 22, 38, 61, 122, 209, 418, 671, 1159, 1342, 2318, 12749, 25498, 823621, 1647242, 9059831, 15648799, 18119662, 31297598, 50240881, 100481762, 172136789, 344273578, 552649691, 954576739, 1105299382, 1909153478, 10500344129, 21000688258]

約数ペア:

[(1, 21000688258), (2, 10500344129), (11, 1909153478), (19, 1105299382), (22, 954576739), (38, 552649691), (61, 344273578), (122, 172136789), (209, 100481762), (418, 50240881), (671, 31297598), (1159, 18119662), (1342, 15648799), (2318, 9059831), (12749, 1647242), (25498, 823621)]